# Mnemonic Association System for Numbers

The Association System for numbers is a way to create visual images for numbers. Watch the Introduction to Memorizing Numbers video for a quick overview.

This is a method for creating Mnemonic images for numbers based on things that the numbers remind you of. For example, 02 might be a bicycle, because a bicycle has two wheels. 52 might be a deck of cards, because a deck of cards has 52 cards.

## Decimal Numbers

Two examples of association methods for single-digit numbers are the Number Shape System and the Number Rhyme System. Another interesting idea is to assign images based on things that happened during certain years. See also: Date-Based Number System.

Andi Bell describes a complete system for 00-99 in his Memory Pack, which is unfortunately out-of-print. This is a sample set of images that shows how one person used the association method:

• 00 — hula hoop
• 01 — stick
• 02 — bicycle
• 03 — comb
• 04 — car
• 05 — starfish
• 06 — die (dice)
• 07 — rainbow — seven colors in the rainbow
• 08 — octopus
• 09 — a cat — nine lives
• 10 — soccer player (Pele wears 10)
• 11 — goalposts (soccer/football)
• 12 — the sun (12 noon)
• 13 — a pen drawing the letter B (looks like 13)
• 14 — pi-shaped table
• 15 — a badminton birdie (15 points)
• 16 — a tennis racket (16 seeded players)
• 17 — a leaf - this came from St. Patrick’s Day (March 17th) but is a leaf instead of a shamrock
• 18 — the golf hole with a flag — maybe because a golf course has 18 holes
• 19 — a beer (at the 19th hole)
• 20 — binoculars (20-20 vision)
• 21 — a canon (21 gun salute)
• 22 — two birds — looks like 2 ducklings
• 23 — a palm tree — 3 rhymes with tree. Twenty starts with “t”.
• 24 — a bell — rings 24 times per day if ringing on the hour
• 25 — Christmas present because of December 25
• 26 — a running shoe (26 mile marathon)
• 27 — a goblin
• 28 — an owl — ”tu-whit” sounds like “twenty eight”
• 29 — a frog — 29 days in a leap year
• 30 — a mosque/minaret — Ramadan has 30 days
• 31 — a party horn (December 31st, New Year’s Eve)
• 32 — a directional compass (32 points)
• 33 — a record — 33 RPM
• 34 — waltzing dancer (3/4 meter)
• 35 — US presidents have to be at least 35 years old
• 36 — a drafting compass — 360°?
• 37 — Eiffel Tower
• 38 — a girl doing a handstand — “BE upside-down” — “BE” looks like 38 upside-down.
• 39 — a doorstep from “The 39 Steps” by John Buchan
• 40 — a martini — life begins at 40
• 41 — Mozart (41 symphonies)
• 42 — a street lamp on 42nd Street
• 43 — a baseball bat (World Series: 4 matches to 3)
• 44 — a sheet of music (4/4 meter)
• 45 — a rose (of peace at the end of war in ‘45)
• 46 — a tennis ball (from a tennis score)
• 47 — a snooker cue (“the maximum break you could make with this snookercue is 147”)
• 48 — a cello — 4 string on a 8-shaped body
• 49 — a American football — SF 49ers
• 50 — 50 pence coin
• 51 — The Crystal Palace in London (1851)
• 52 — a deck of cards
• 53 — a joker (53rd card)
• 54 — a rocket (countdown: 5…4…)
• 55 — Caesar (first invasion of Britain 55 B.C.E.)
• 56 — a Rubik’s cube which has 56 squares
• 57 — Sputnik — the year that Sputnik went into space
• 58 — a hand throwing seeds on the ground (5 fingers, 8 seeds?)
• 59 — a ticket
• 60 — a wristwatch (60 seconds, 60 minutes)
• 61 — a wall (Berlin wall 1961)
• 62 — Fidel Castro — the year of the Cuban missile crisis
• 63 — a chess pawn
• 64 — a chessboard, because there are 64 squares on the board
• 65 — Tyrannosaurus rex (65 million years ago)
• 66 — an ice cube (The Arctic and Subarctic begin 66 degrees north or south)
• 67 — God (6 days to make the world, 7th day resting)
• 68 — a bee flying in a figure 8 (6 legs)
• 69 — an astronaut — 1969 was the moon landing
• 70 — hockey stick and puck
• 71 — an iron
• 72 — a bag of golf clubs (72 holes in a golf competition)
• 73 — a refrigerator (absolute zero is -273 degrees)
• 74 — a paper airplane (from 747)
• 75 — a percent symbol (“75%” is common)
• 76 — a trombone
• 77 — a team of horses (the heads look like 77)
• 78 — confetti (1978 World Cup confetti)
• 79 — a key (7 is the key, 9 is the keyhole)
• 80 — a thermometer (80 degrees F is hot)
• 81 — the space shuttle. 1981 was the year of first launch.
• 82 — an atom (“These are 8 outer electrons and 2 inner ones, all spinning round the nucleus in the atom.“)
• 83 — a hurgle from the 1983 World Athletics Championships in Helsinki
• 84 — a book (Orwell’s 1984)
• 85 — a microphone (Live Aid concerts 1985)
• 86 — a lightbulb
• 87 — an onion
• 88 — a piano, because a piano has 88 keys
• 89 — a brick (from the Berlin Wall 1989)
• 90 — the Pole Star (90 degrees)
• 91 — a sunflower (9 is the flower, 1 is a stick supporting it)
• 92 — the Mayflower (1492)
• 93 — a globe (Earth is 3rd of 9 planets)
• 94 — Saturn (one of the 4 gas giants)
• 95 — a briefcase (working 9 to 5)
• 96 — a discus (first Olympics 1896)
• 97 — a CD
• 98 — a window
• 99 — Albert Einstein (Einsteinium is element #99)

## Binary Numbers

See the following page for ideas about using associations with binary numbers.